JP2012513950A5 - - Google Patents
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- JP2012513950A5 JP2012513950A5 JP2011544542A JP2011544542A JP2012513950A5 JP 2012513950 A5 JP2012513950 A5 JP 2012513950A5 JP 2011544542 A JP2011544542 A JP 2011544542A JP 2011544542 A JP2011544542 A JP 2011544542A JP 2012513950 A5 JP2012513950 A5 JP 2012513950A5
- Authority
- JP
- Japan
- Prior art keywords
- ingot
- silicon
- seed crystal
- silicon melt
- mounting bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000013078 crystal Substances 0.000 claims 33
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 31
- 229910052710 silicon Inorganic materials 0.000 claims 31
- 239000010703 silicon Substances 0.000 claims 31
- 238000000034 method Methods 0.000 claims 16
- 230000002093 peripheral effect Effects 0.000 claims 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims 3
- 239000000945 filler Substances 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
Claims (25)
多結晶シリコンを坩堝に投入しシリコン充填物を調製する工程と、
上記シリコン充填物を上記充填物のおよそ溶融温度を超える温度まで加熱しシリコン溶融物を調製する工程と、
少なくとも2つのシード結晶を上記シリコン溶融物に接触させる工程と、
シリコンインゴットを上記シリコン溶融物から引き上げる工程と、を備え、
上記シード結晶は、上記シリコンインゴットが上記シリコン溶融物から引き上げられ冷却されている最中、上記シード結晶の横方向の移動が可能となるように配置されていることを特徴とする方法。 A method for growing a silicon ingot in an ingot pulling apparatus,
Introducing polycrystalline silicon into a crucible and preparing a silicon filling;
Heating the silicon filler to a temperature above about the melting temperature of the filler to prepare a silicon melt;
Contacting at least two seed crystals with the silicon melt;
Withdrawing the silicon ingot from the silicon melt ,
The seed crystal, the method the silicon ingot you characterized in that it is arranged so while being cooled pulled from the silicon melt, lateral movement of the seed crystal can be performed.
上記シード結晶は、開口部を有し、該開口部は、上記シリコンインゴットが、上記シリコン溶融物から引き上げられ冷却されている最中、上記シード結晶の横方向の移動が可能となるように、上記シード結晶が上記レッグ上であって上記フレット間にマウントされることを可能とすることを特徴とする請求項1記載の方法。The seed crystal has an opening, which is capable of lateral movement of the seed crystal while the silicon ingot is being pulled up from the silicon melt and cooled. The method of claim 1, wherein the seed crystal is mounted on the legs and between the frets.
上記リッジは、上記シリコンインゴットが、上記シリコン溶融物から引き上げられ冷却されている最中、上記シード結晶の横方向の移動が可能となるように、上記マウンティングブラケットの溝部内に配置されていることを特徴とする請求項4記載の方法。The ridge is disposed in the groove of the mounting bracket so that the seed crystal can move laterally while the silicon ingot is being pulled up from the silicon melt and cooled. 5. The method of claim 4, wherein:
各インゴットの断面の対角線長さがインゴットの半径とおよそ同じである4つの中央インゴットセグメントを作製する工程と、
2つの中央インゴットセグメントに近接するインゴット部分から4つの外周インゴットセグメントを作製する工程と、を備える方法。 A method for cutting a cylindrical ingot having a constant diameter part, an outer peripheral part, a central part, and a radius extending from the central part to the outer peripheral part,
Creating four central ingot segments in which the diagonal length of the cross-section of each ingot is approximately the same as the radius of the ingot;
Producing four peripheral ingot segments from ingot portions proximate to the two central ingot segments.
上記インゴット引上装置は、坩堝内に保持されたシリコン溶融物から上方に成長インゴットを引き上げるための引上機構を備え、
上記引上機構は、(1)形状が円状であるか、又は、(2)少なくとも2つのレッグを有するマウンティングブラケットを備える引上アセンブリを有し、
少なくとも約2つのシード結晶が、上記マウンティングブラケットに取り付けられ、上記シード結晶は、上記シリコンインゴットが上記シリコン溶融物から引き上げられ冷却されている最中、上記シード結晶の横方向の移動が可能となるように配置されていることを特徴とするインゴット引上装置。 An ingot pulling device for growing a silicon ingot from a silicon melt,
The ingot pulling device includes a pulling mechanism for pulling the growth ingot upward from the silicon melt held in the crucible,
The pulling mechanism (1) or shape is circular, or have a pulling assembly comprising a mounting bracket having a (2) at least two legs,
At least about two seed crystals are attached to the mounting bracket, and the seed crystals are capable of lateral movement of the seed crystals while the silicon ingot is pulled up from the silicon melt and cooled. An ingot pulling device characterized by being arranged as described above .
上記シード結晶は、開口部を有し、該開口部は、上記シリコンインゴットが、上記シリコン溶融物から引き上げられ冷却されている最中、上記シード結晶の横方向の移動が可能となるように、上記シード結晶が上記レッグ上であって上記フレット間にマウントされることを可能とすることを特徴とする請求項16記載のインゴット引上装置。The seed crystal has an opening, which is capable of lateral movement of the seed crystal while the silicon ingot is being pulled up from the silicon melt and cooled. 17. The ingot pulling apparatus according to claim 16, wherein the seed crystal is mounted on the leg and between the frets.
上記リッジは、上記シリコンインゴットが、上記シリコン溶融物から引き上げられ冷却されている最中、上記シード結晶の横方向の移動が可能となるように、上記マウンティングブラケットの溝部内に配置されていることを特徴とする請求項19記載のインゴット引上装置。The ridge is disposed in the groove of the mounting bracket so that the seed crystal can move laterally while the silicon ingot is being pulled up from the silicon melt and cooled. The ingot pulling-up device according to claim 19.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14156708P | 2008-12-30 | 2008-12-30 | |
US61/141,567 | 2008-12-30 | ||
PCT/US2009/069488 WO2010078205A1 (en) | 2008-12-30 | 2009-12-23 | Methods and pulling assemblies for pulling a multicrystalline silicon ingot from a silicon melt |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012513950A JP2012513950A (en) | 2012-06-21 |
JP2012513950A5 true JP2012513950A5 (en) | 2012-12-27 |
Family
ID=41667249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011544542A Withdrawn JP2012513950A (en) | 2008-12-30 | 2009-12-23 | Method and pull assembly for pulling a polycrystalline silicon ingot from a silicon melt |
Country Status (8)
Country | Link |
---|---|
US (3) | US8524000B2 (en) |
EP (1) | EP2382342A1 (en) |
JP (1) | JP2012513950A (en) |
KR (1) | KR20110127134A (en) |
CN (1) | CN102333909A (en) |
SG (3) | SG188934A1 (en) |
TW (1) | TW201033412A (en) |
WO (1) | WO2010078205A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI441962B (en) * | 2011-10-14 | 2014-06-21 | Sino American Silicon Prod Inc | Crystalline silicon ingot and method of fabricating the same |
US20140137794A1 (en) * | 2012-11-19 | 2014-05-22 | Memc Singapore, Pte. Ltd (Uen200614797D) | Method of Preparing A Directional Solidification System Furnace |
US8900972B2 (en) | 2012-11-19 | 2014-12-02 | Memc Singapore Pte. Ltd. | Systems and methods for producing seed bricks |
US20140186486A1 (en) * | 2012-12-31 | 2014-07-03 | Memc Singapore, Pte. Ltd (Uen200614797D) | Apparatus For Producing Rectangular Seeds |
US9111745B2 (en) | 2012-12-31 | 2015-08-18 | MEMC Singapore Pte., Ltd. (UEN200614794D) | Methods for producing rectangular seeds for ingot growth |
CN106702481B (en) * | 2017-03-20 | 2019-01-29 | 宁夏佳晶科技有限公司 | A kind of improved multiple-piece EFG technique synthetic sapphire preparation process |
CN108193263A (en) * | 2018-01-26 | 2018-06-22 | 山东大海新能源发展有限公司 | A kind of monocrystalline produces stove |
KR20220010472A (en) * | 2019-05-21 | 2022-01-25 | 가부시끼가이샤 도꾸야마 | Carrying out jig, unloading method and manufacturing method of silicon rod |
CN110777425A (en) * | 2019-11-24 | 2020-02-11 | 田达晰 | Casting silicon single crystal furnace with seed crystal lifting unit and silicon single crystal growth method |
Family Cites Families (20)
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US4352785A (en) * | 1982-01-04 | 1982-10-05 | Western Electric Co., Inc. | Crystal grower with torque supportive collapsible pulling mechanism |
JP3488531B2 (en) * | 1994-12-19 | 2004-01-19 | コマツ電子金属株式会社 | Polycrystalline rod hanger |
US5593498A (en) | 1995-06-09 | 1997-01-14 | Memc Electronic Materials, Inc. | Apparatus for rotating a crucible of a crystal pulling machine |
US5797990A (en) * | 1996-02-26 | 1998-08-25 | Ferrofluidics Corporation | Apparatus for damping a crystal ingot suspension in a Czochralski crystal puller |
JP3716874B2 (en) | 1996-03-01 | 2005-11-16 | 信越半導体株式会社 | Seed crystal holding jig |
US5932007A (en) * | 1996-06-04 | 1999-08-03 | General Signal Technology Corporation | Method and apparatus for securely supporting a growing crystal in a czochralski crystal growth system |
US6045610A (en) | 1997-02-13 | 2000-04-04 | Samsung Electronics Co., Ltd. | Methods of manufacturing monocrystalline silicon ingots and wafers by controlling pull rate profiles in a hot zone furnance |
JP3684769B2 (en) * | 1997-06-23 | 2005-08-17 | 信越半導体株式会社 | Method for producing and holding silicon single crystal |
US5942032A (en) * | 1997-08-01 | 1999-08-24 | Memc Electronic Materials, Inc. | Heat shield assembly and method of growing vacancy rich single crystal silicon |
US6015461A (en) * | 1997-09-12 | 2000-01-18 | Sumitomo Sitix Corporation | Seed crystal holders, for pulling a single crystal |
US6183553B1 (en) * | 1998-06-15 | 2001-02-06 | Memc Electronic Materials, Inc. | Process and apparatus for preparation of silicon crystals with reduced metal content |
CN1109778C (en) | 2000-08-16 | 2003-05-28 | 浙江大学 | Re-doping method for vertically pulled monocrystalline silicon |
US6482263B1 (en) | 2000-10-06 | 2002-11-19 | Memc Electronic Materials, Inc. | Heat shield assembly for crystal pulling apparatus |
KR100854186B1 (en) * | 2001-01-26 | 2008-08-26 | 엠이엠씨 일렉트로닉 머티리얼즈 인코포레이티드 | Low defect density silicon having a vacancy-dominated core substantially free of oxidation induced stacking faults |
WO2002092885A1 (en) | 2001-05-15 | 2002-11-21 | Memc Electronic Materials, Inc. | Electrically conductive crystal seed chuck assembly |
US6797062B2 (en) * | 2002-09-20 | 2004-09-28 | Memc Electronic Materials, Inc. | Heat shield assembly for a crystal puller |
DE60334722D1 (en) * | 2002-11-12 | 2010-12-09 | Memc Electronic Materials | PROCESS FOR THE MANUFACTURE OF A SILICONE INCRISTALITY TEMPERATURE GRADIENTEN TO CONTROL |
KR20060073854A (en) | 2004-12-24 | 2006-06-29 | 주식회사 실트론 | A seed chuck for silicon single crystal ingot grower used czochralski method |
US7972703B2 (en) * | 2005-03-03 | 2011-07-05 | Ferrotec (Usa) Corporation | Baffle wafers and randomly oriented polycrystalline silicon used therefor |
JP4760729B2 (en) * | 2006-02-21 | 2011-08-31 | 株式会社Sumco | Silicon single crystal wafer for IGBT and manufacturing method of silicon single crystal wafer for IGBT |
-
2009
- 2009-12-23 US US12/646,350 patent/US8524000B2/en active Active
- 2009-12-23 WO PCT/US2009/069488 patent/WO2010078205A1/en active Application Filing
- 2009-12-23 CN CN2009801576222A patent/CN102333909A/en active Pending
- 2009-12-23 SG SG2013022926A patent/SG188934A1/en unknown
- 2009-12-23 EP EP09801360A patent/EP2382342A1/en not_active Withdrawn
- 2009-12-23 US US12/646,303 patent/US8932550B2/en active Active
- 2009-12-23 KR KR1020117017992A patent/KR20110127134A/en not_active Application Discontinuation
- 2009-12-23 JP JP2011544542A patent/JP2012513950A/en not_active Withdrawn
- 2009-12-23 SG SG2013022918A patent/SG188933A1/en unknown
- 2009-12-23 SG SG2011047958A patent/SG172436A1/en unknown
- 2009-12-29 TW TW098145615A patent/TW201033412A/en unknown
-
2011
- 2011-12-14 US US13/325,942 patent/US20120085332A1/en not_active Abandoned
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